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## Main Question or Discussion Point

we know that the full life of radioactive sample is infinity.

and if we take one radioactive atom in the sample then it's full is measurable and short. it changes when when it emits sub atomic particles. which contradict each other.

we need to know more. the dimension of radioactive constant λ raises an other question.

here N=N0eλt the is on of e so what is the dimension of λ.

and if we take one radioactive atom in the sample then it's full is measurable and short. it changes when when it emits sub atomic particles. which contradict each other.

we need to know more. the dimension of radioactive constant λ raises an other question.

here N=N0eλt the is on of e so what is the dimension of λ.